bbgo_origin/pkg/strategy/rsicross/strategy.go

113 lines
2.8 KiB
Go

package rsicross
import (
"context"
"fmt"
"sync"
log "github.com/sirupsen/logrus"
"github.com/c9s/bbgo/pkg/bbgo"
"github.com/c9s/bbgo/pkg/fixedpoint"
indicatorv2 "github.com/c9s/bbgo/pkg/indicator/v2"
"github.com/c9s/bbgo/pkg/strategy/common"
"github.com/c9s/bbgo/pkg/types"
)
const ID = "rsicross"
func init() {
bbgo.RegisterStrategy(ID, &Strategy{})
}
type Strategy struct {
common.Strategy
Environment *bbgo.Environment
Market types.Market
Symbol string `json:"symbol"`
Interval types.Interval `json:"interval"`
SlowWindow int `json:"slowWindow"`
FastWindow int `json:"fastWindow"`
OpenBelow fixedpoint.Value `json:"openBelow"`
CloseAbove fixedpoint.Value `json:"closeAbove"`
bbgo.OpenPositionOptions
}
func (s *Strategy) ID() string {
return ID
}
func (s *Strategy) InstanceID() string {
return fmt.Sprintf("%s:%s:%s:%d-%d", ID, s.Symbol, s.Interval, s.FastWindow, s.SlowWindow)
}
func (s *Strategy) Subscribe(session *bbgo.ExchangeSession) {
session.Subscribe(types.KLineChannel, s.Symbol, types.SubscribeOptions{Interval: s.Interval})
}
func (s *Strategy) Run(ctx context.Context, orderExecutor bbgo.OrderExecutor, session *bbgo.ExchangeSession) error {
s.Strategy.Initialize(ctx, s.Environment, session, s.Market, ID, s.InstanceID())
fastRsi := session.Indicators(s.Symbol).RSI(types.IntervalWindow{Interval: s.Interval, Window: s.FastWindow})
slowRsi := session.Indicators(s.Symbol).RSI(types.IntervalWindow{Interval: s.Interval, Window: s.SlowWindow})
rsiCross := indicatorv2.Cross(fastRsi, slowRsi)
rsiCross.OnUpdate(func(v float64) {
switch indicatorv2.CrossType(v) {
case indicatorv2.CrossOver:
if s.OpenBelow.Sign() > 0 && fastRsi.Last(0) > s.OpenBelow.Float64() {
return
}
opts := s.OpenPositionOptions
opts.Long = true
if price, ok := session.LastPrice(s.Symbol); ok {
opts.Price = price
}
// opts.Price = closePrice
opts.Tags = []string{"rsiCrossOver"}
if _, err := s.OrderExecutor.OpenPosition(ctx, opts); err != nil {
logErr(err, "unable to open position")
}
case indicatorv2.CrossUnder:
if s.CloseAbove.Sign() > 0 && fastRsi.Last(0) < s.CloseAbove.Float64() {
return
}
if err := s.OrderExecutor.ClosePosition(ctx, fixedpoint.One); err != nil {
logErr(err, "failed to close position")
}
}
})
bbgo.OnShutdown(ctx, func(ctx context.Context, wg *sync.WaitGroup) {
defer wg.Done()
})
return nil
}
func logErr(err error, msgAndArgs ...interface{}) bool {
if err == nil {
return false
}
if len(msgAndArgs) == 0 {
log.WithError(err).Error(err.Error())
} else if len(msgAndArgs) == 1 {
msg := msgAndArgs[0].(string)
log.WithError(err).Error(msg)
} else if len(msgAndArgs) > 1 {
msg := msgAndArgs[0].(string)
log.WithError(err).Errorf(msg, msgAndArgs[1:]...)
}
return true
}